906242020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{227699}}^1$

素因数の和:227907

約数の個数: 24

約数和(自身を含む): 1912680000

約数和(自身を除く): 1006437980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 227699, 455398, 910796, 1138495, 2276990, 4553980, 45312101, 90624202, 181248404, 226560505, 453121010, 906242020]

約数ペア:

[(1, 906242020), (2, 453121010), (4, 226560505), (5, 181248404), (10, 90624202), (20, 45312101), (199, 4553980), (398, 2276990), (796, 1138495), (995, 910796), (1990, 455398), (3980, 227699)]